Home / 8,664.75-12,998.72-2,743.13

Finding the Fourth Proportional to 8,664.75, 12,998.72 and 2,743.13

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Solution

The fourth proportional to 8,664.75, 12,998.72 and 2,743.13 is: 4,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.75 : 12,998.72 = 2,743.13 : x
  2. Step 2: Convert to fraction form
    8,664.75/12,998.72 = 2,743.13/x
  3. Step 3: Cross multiply
    8,664.75x = 12,998.72 × 2,743.13
  4. Step 4: Simplify right side
    8,664.75x = 35,657,218.15
  5. Step 5: Solve for x
    x = 35,657,218.15/8,664.75
  6. Step 6: Final answer
    x = 4,115.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.